{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Treatment.Disorder", "Treatment.Route", "Subject.Disorder", "Effect", "Treatment", "Subject.Race", "Subject", "Subject.Population", "Subject.Gender", "Treatment.Freq", "Treatment.Dosage", "Subject.Age", "Treatment.Time_elapsed", "Treatment.Drug", "Combination.Drug"]}], "input": "This case describes a 52-year-old white woman who developed a spontaneous nasal septal perforation after given the antiangiogenic drug, bevacizumab, for metastatic ovarian cancer treatment."}
{"adverse event": [{"Treatment.Disorder": "NAN", "Treatment.Route": "NAN", "Subject.Disorder": "NAN", "Effect": "a spontaneous nasal septal perforation", "Treatment": "antiangiogenic drug, bevacizumab", "Subject.Race": "white", "Subject": "a 52-year-old white woman", "Subject.Population": "NAN", "Subject.Gender": "woman", "Treatment.Freq": "NAN", "Treatment.Dosage": "NAN", "Subject.Age": "52-year-old", "Treatment.Time_elapsed": "NAN", "Treatment.Drug": "bevacizumab", "Combination.Drug": "NAN"}]}